Siemens SIMATIC FM 453, Manual

Page: 100 / 380

6-4
FM 453 Servo Drive / Step Drive Positioning Module
C79000-G7076-C453-01
In Section You Will Find On Page
6.1 FC INIT_DB – Initialize User DB 6-4
6.2 FC MODE_WR – Control Operating Modes and Process
Write Jobs 6-6
6.3 FC RD_COM – Process Read Jobs Cyclically 6-14
6.4 Reading Diagnostic Information 6-18
6.5 FC MSRMENT – Read Measured Values 6-23
6.6 User Data Block 6-25
6.7 Example Applications 6-41
6.8 Technical Specifications 6-46
6.1 FC INIT_DB (FC 1) – Initialize user DB
You can use FC INIT_DB to initialize specific areas of your user DB. For
this purpose, you can call FC INIT_DB in OB 100 or OB 83 “Remove/Insert
interrupt” once for each channel.
The FC performs the following actions:
1. Enters addressing values in the user DB
– FM address
– Channel address
– Offset address
2. Deletes the following structures in the user DB
– CONTROL_SIGNALS
– CHECKBACK_SIGNALS
– JOB_WR (write job)
– JOB_RD (read job)
Call in LAD notation
(ladder diagram)
Call in STL notation
(statement list)
EN ENO
FC INIT_DB
LADDR
CH_NO
DB_NO
CALL INIT_DB(
DB_NO
:= ,
CH_NO := ,
LADDR := );
Chapter
Overview
Task
Call Options
Programming the FM 453